builtins.c revision e096e36e50b4b66638ebc4d3c09c2ee35f538dfa
14f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* 24f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 34f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 44f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 54f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * you may not use this file except in compliance with the License. 64f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * You may obtain a copy of the License at 74f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 84f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 94f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * See the License for the specific language governing permissions and 144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * limitations under the License. 154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/types.h> 184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/stat.h> 194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <fcntl.h> 204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <unistd.h> 214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <string.h> 224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdio.h> 234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <linux/kd.h> 244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <errno.h> 254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/socket.h> 264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <netinet/in.h> 274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <linux/if.h> 284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <arpa/inet.h> 294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdlib.h> 304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/mount.h> 314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/resource.h> 32e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik)#include <linux/loop.h> 337bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall#include <cutils/partition_utils.h> 3484bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin#include <sys/system_properties.h> 354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 36e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 37e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include <selinux/selinux.h> 38e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include <selinux/label.h> 39e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 40e46f9d510db9351682cf17c49115110870147335Stephen Smalley 414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "init.h" 424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "keywords.h" 434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "property_service.h" 444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "devices.h" 456310a8261c922533a692fb3e74ece2da98d4bafaColin Cross#include "init_parser.h" 463899e9fc01cf608f19f716749c54cc5c4d17e766Colin Cross#include "util.h" 47ed8a7d84428ec945c48b6b53dc5a3a18fabaf683Colin Cross#include "log.h" 484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <private/android_filesystem_config.h> 504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid add_environment(const char *name, const char *value); 524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectextern int init_module(void *, unsigned long, const char *); 544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int write_file(const char *path, const char *value) 564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret, len; 584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open(path, O_WRONLY|O_CREAT, 0622); 604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 62008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(value); 654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project do { 674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = write(fd, value, len); 684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } while (ret < 0 && errno == EINTR); 694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 72008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7893574c619c96bec7e7e42468ce8573f630c78b21Benoit Gobystatic int _open(const char *path) 7993574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby{ 8093574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby int fd; 8193574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby 8293574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby fd = open(path, O_RDONLY | O_NOFOLLOW); 8393574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby if (fd < 0) 8493574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby fd = open(path, O_WRONLY | O_NOFOLLOW); 8593574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby 8693574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby return fd; 8793574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby} 8893574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby 8942a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condrastatic int _chown(const char *path, unsigned int uid, unsigned int gid) 9042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra{ 9142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int fd; 9242a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int ret; 9342a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 9493574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby fd = _open(path); 9542a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (fd < 0) { 9642a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return -1; 9742a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra } 9842a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 9942a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra ret = fchown(fd, uid, gid); 10042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (ret < 0) { 10142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int errno_copy = errno; 10242a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra close(fd); 10342a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra errno = errno_copy; 10442a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return -1; 10542a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra } 10642a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 10742a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra close(fd); 10842a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 10942a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return 0; 11042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra} 11142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 11242a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condrastatic int _chmod(const char *path, mode_t mode) 11342a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra{ 11442a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int fd; 11542a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int ret; 11642a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 11793574c619c96bec7e7e42468ce8573f630c78b21Benoit Goby fd = _open(path); 11842a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (fd < 0) { 11942a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return -1; 12042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra } 12142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 12242a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra ret = fchmod(fd, mode); 12342a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (ret < 0) { 12442a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra int errno_copy = errno; 12542a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra close(fd); 12642a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra errno = errno_copy; 12742a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return -1; 12842a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra } 12942a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 13042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra close(fd); 13142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 13242a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra return 0; 13342a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra} 13442a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra 13535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int insmod(const char *filename, char *options) 1364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project void *module; 1384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned size; 1394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ret; 1404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project module = read_file(filename, &size); 1424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!module) 1434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 14535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project ret = init_module(module, size, options); 1464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project free(module); 1484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int setkey(struct kbentry *kbe) 1534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret; 1554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open("/dev/tty0", O_RDWR | O_SYNC); 1574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 1584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(fd, KDSKBENT, kbe); 1614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 1634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int __ifupdown(const char *interface, int up) 1674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct ifreq ifr; 1694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int s, ret; 1704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project strlcpy(ifr.ifr_name, interface, IFNAMSIZ); 1724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s = socket(AF_INET, SOCK_DGRAM, 0); 1744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (s < 0) 1754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCGIFFLAGS, &ifr); 1784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 1794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project goto done; 1804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (up) 1834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags |= IFF_UP; 1844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else 1854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags &= ~IFF_UP; 1864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCSIFFLAGS, &ifr); 1884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectdone: 1904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(s); 1914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic void service_start_if_not_disabled(struct service *svc) 1954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!(svc->flags & SVC_DISABLED)) { 197f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 1984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 201e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)int do_chdir(int nargs, char **args) 202e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik){ 203e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) chdir(args[1]); 204e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) return 0; 205e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)} 206e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) 207e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)int do_chroot(int nargs, char **args) 208e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik){ 209e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) chroot(args[1]); 210e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) return 0; 211e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)} 212e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) 2134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_start(int nargs, char **args) 2144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Starting a class does not start services 2164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * which are explicitly disabled. They must 2174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * be started individually. 2184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 2194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_start_if_not_disabled); 2204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_stop(int nargs, char **args) 2244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_stop); 2264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 229752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrallint do_class_reset(int nargs, char **args) 230752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall{ 231752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall service_for_each_class(args[1], service_reset); 232752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return 0; 233752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall} 234752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 2354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_domainname(int nargs, char **args) 2364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/domainname", args[1]); 2384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_exec(int nargs, char **args) 2414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 2434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_export(int nargs, char **args) 2464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_environment(args[1], args[2]); 2484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_hostname(int nargs, char **args) 2524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/hostname", args[1]); 2544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_ifup(int nargs, char **args) 2574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return __ifupdown(args[1], 1); 2594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 26135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 26235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int do_insmod_inner(int nargs, char **args, int opt_len) 26335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 26435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project char options[opt_len + 1]; 26535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 26635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 26735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project options[0] = '\0'; 26835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 26935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcpy(options, args[2]); 27035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 3; i < nargs; ++i) { 27135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, " "); 27235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, args[i]); 27335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 27435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 27535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 27635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return insmod(args[1], options); 27735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 27835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 2794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_insmod(int nargs, char **args) 2804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 28135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 28235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int size = 0; 28335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 28435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 28535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 2; i < nargs; ++i) 28635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project size += strlen(args[i]) + 1; 28735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 28835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 28935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return do_insmod_inner(nargs, args, size); 2904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mkdir(int nargs, char **args) 2934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0755; 29527164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh int ret; 2964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* mkdir <path> [mode] [owner] [group] */ 2984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 3) { 3004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = strtoul(args[2], 0, 8); 3014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 303e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley ret = make_dir(args[1], mode); 30427164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh /* chmod in case the directory already exists */ 30527164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh if (ret == -1 && errno == EEXIST) { 30642a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra ret = _chmod(args[1], mode); 30727164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh } 30827164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh if (ret == -1) { 3094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 3104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 4) { 3134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uid_t uid = decode_uid(args[3]); 3144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid_t gid = -1; 3154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 5) { 3174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid = decode_uid(args[4]); 3184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 32042a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (_chown(args[1], uid, gid) < 0) { 3214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 3224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic struct { 3294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const char *name; 3304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flag; 3314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} mount_flags[] = { 3324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "noatime", MS_NOATIME }, 333b6ee25e3ad4cffa2b0f5bb734df4b503e1e367baLars Svensson { "noexec", MS_NOEXEC }, 3344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nosuid", MS_NOSUID }, 3354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodev", MS_NODEV }, 3364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodiratime", MS_NODIRATIME }, 3374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "ro", MS_RDONLY }, 3384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "rw", 0 }, 3394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "remount", MS_REMOUNT }, 3404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "defaults", 0 }, 3414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 0, 0 }, 3424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project}; 3434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 344752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall#define DATA_MNT_POINT "/data" 345752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 3464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* mount <type> <device> <path> <flags ...> <options> */ 3474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mount(int nargs, char **args) 3484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 350e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) char *source, *target, *system; 3514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *options = NULL; 3524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flags = 0; 3534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n, i; 354cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross int wait = 0; 3554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (n = 4; n < nargs; n++) { 3574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (i = 0; mount_flags[i].name; i++) { 3584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strcmp(args[n], mount_flags[i].name)) { 3594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project flags |= mount_flags[i].flag; 3604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 3614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 364cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (!mount_flags[i].name) { 365cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (!strcmp(args[n], "wait")) 366cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait = 1; 367cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross /* if our last argument isn't a flag, wolf it up as an option string */ 368cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross else if (n + 1 == nargs) 369cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross options = args[n]; 370cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross } 3714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 373e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) system = args[1]; 3744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = args[2]; 375e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) target = args[3]; 376e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 3774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 3784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project n = mtd_name_to_number(source + 4); 379e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (n < 0) { 380e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 381e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 382e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 383e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/mtdblock%d", n); 384e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 385cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (wait) 386cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait_for_file(tmp, COMMAND_RETRY_TIMEOUT); 387e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 388e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 389e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 390e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 391dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall goto exit_success; 392e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else if (!strncmp(source, "loop@", 5)) { 393e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) int mode, loop, fd; 394e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) struct loop_info info; 395e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 396e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) mode = (flags & MS_RDONLY) ? O_RDONLY : O_RDWR; 397e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) fd = open(source + 5, mode); 398e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (fd < 0) { 399e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 4004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 401e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 402e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) for (n = 0; ; n++) { 403e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/loop%d", n); 404e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) loop = open(tmp, mode); 405e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (loop < 0) { 406e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 407e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 408e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 409e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it is a blank loop device */ 410e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) { 411e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it becomes our loop device */ 412e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_SET_FD, fd) >= 0) { 413e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 414e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 415e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 416e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ioctl(loop, LOOP_CLR_FD, 0); 417e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 418e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 419e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 420e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 421e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 422dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall goto exit_success; 423e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 424e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 425e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 426e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 427e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 428e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 429e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 430e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ERROR("out of loopback devices"); 431e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 432e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else { 433cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (wait) 434cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait_for_file(source, COMMAND_RETRY_TIMEOUT); 435e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(source, target, system, flags, options) < 0) { 4367bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall /* If this fails, it may be an encrypted filesystem 4377bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall * or it could just be wiped. If wiped, that will be 4387bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall * handled later in the boot process. 439752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * We only support encrypting /data. Check 440752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * if we're trying to mount it, and if so, 441752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * assume it's encrypted, mount a tmpfs instead. 442752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * Then save the orig mount parms in properties 443752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * for vold to query when it mounts the real 444752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * encrypted /data. 445752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall */ 4467bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall if (!strcmp(target, DATA_MNT_POINT) && !partition_wiped(source)) { 447752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall const char *tmpfs_options; 448752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 449752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall tmpfs_options = property_get("ro.crypto.tmpfs_options"); 450752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 451752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (mount("tmpfs", target, "tmpfs", MS_NOATIME | MS_NOSUID | MS_NODEV, 452752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall tmpfs_options) < 0) { 453752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return -1; 454752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 455752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 456752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall /* Set the property that triggers the framework to do a minimal 457752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * startup and ask the user for a password 458752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall */ 4594e84d3bcf9af3452128fe2e8dc7607dff9016facKen Sumrall property_set("ro.crypto.state", "encrypted"); 460752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("vold.decrypt", "1"); 461752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } else { 462752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return -1; 463752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 464e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 465e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 466752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (!strcmp(target, DATA_MNT_POINT)) { 467752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall char fs_flags[32]; 468752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 469752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall /* Save the original mount options */ 470752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_type", system); 471752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_real_blkdev", source); 472752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_mnt_point", target); 473752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (options) { 474752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_options", options); 475752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 476752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall snprintf(fs_flags, sizeof(fs_flags), "0x%8.8x", flags); 477752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_flags", fs_flags); 478752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 4794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 480dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 481dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrallexit_success: 482dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall /* If not running encrypted, then set the property saying we are 483dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall * unencrypted, and also trigger the action for a nonencrypted system. 484dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall */ 485dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (!strcmp(target, DATA_MNT_POINT)) { 486c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall const char *prop; 487c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall 488dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall prop = property_get("ro.crypto.state"); 489dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (! prop) { 490dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall prop = "notset"; 491dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 492dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (strcmp(prop, "encrypted")) { 493dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall property_set("ro.crypto.state", "unencrypted"); 494dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall action_for_each_trigger("nonencrypted", action_add_queue_tail); 495dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 496dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 497dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 498dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall return 0; 499dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 5004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 502e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setcon(int nargs, char **args) { 503e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 504e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 505e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 506e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (setcon(args[1]) < 0) { 507e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 508e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 509e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 510e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 511e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 512e46f9d510db9351682cf17c49115110870147335Stephen Smalley 513e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setenforce(int nargs, char **args) { 514e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 515e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 516e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 517e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (security_setenforce(atoi(args[1])) < 0) { 518e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 519e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 520e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 521e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 522e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 523e46f9d510db9351682cf17c49115110870147335Stephen Smalley 5244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setkey(int nargs, char **args) 5254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct kbentry kbe; 5274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_table = strtoul(args[1], 0, 0); 5284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_index = strtoul(args[2], 0, 0); 5294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_value = strtoul(args[3], 0, 0); 5304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setkey(&kbe); 5314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setprop(int nargs, char **args) 5344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5351f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *name = args[1]; 5361f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *value = args[2]; 53784bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin char prop_val[PROP_VALUE_MAX]; 53884bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin int ret; 5391f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood 54084bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ret = expand_props(prop_val, value, sizeof(prop_val)); 54184bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin if (ret) { 54284bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ERROR("cannot expand '%s' while assigning to '%s'\n", value, name); 54384bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return -EINVAL; 5441f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood } 54584bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin property_set(name, prop_val); 5464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setrlimit(int nargs, char **args) 5504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct rlimit limit; 5524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int resource; 5534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project resource = atoi(args[1]); 5544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_cur = atoi(args[2]); 5554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_max = atoi(args[3]); 5564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setrlimit(resource, &limit); 5574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_start(int nargs, char **args) 5604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 564f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 5654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_stop(int nargs, char **args) 5704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 5744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 5754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_restart(int nargs, char **args) 5804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 5844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 585f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 5864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_trigger(int nargs, char **args) 5914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 59211e1c42df69b15c938aa1b7570e4370e6ab15a86Jay Freeman (saurik) action_for_each_trigger(args[1], action_add_queue_tail); 5934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_symlink(int nargs, char **args) 5974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return symlink(args[1], args[2]); 5994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 601203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrallint do_rm(int nargs, char **args) 602203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall{ 603203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall return unlink(args[1]); 604203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall} 605203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall 606203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrallint do_rmdir(int nargs, char **args) 607203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall{ 608203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall return rmdir(args[1]); 609203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall} 610203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall 61135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectint do_sysclktz(int nargs, char **args) 61235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 61335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project struct timezone tz; 61435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 61535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs != 2) 61635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 61735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 61835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project memset(&tz, 0, sizeof(tz)); 61935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project tz.tz_minuteswest = atoi(args[1]); 62035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (settimeofday(NULL, &tz)) 62135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 62235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return 0; 62335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 62435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 6254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_write(int nargs, char **args) 6264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 6271f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *path = args[1]; 6281f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *value = args[2]; 62984bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin char prop_val[PROP_VALUE_MAX]; 63084bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin int ret; 6312c4d5dc41505d28cff369cfbe8b17ac81106d936Mike Lockwood 63284bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ret = expand_props(prop_val, value, sizeof(prop_val)); 63384bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin if (ret) { 63484bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ERROR("cannot expand '%s' while writing to '%s'\n", value, path); 63584bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return -EINVAL; 63684bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin } 63784bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return write_file(path, prop_val); 6384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6407c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatint do_copy(int nargs, char **args) 6417c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat{ 6427c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *buffer = NULL; 6437c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int rc = 0; 6447c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int fd1 = -1, fd2 = -1; 6457c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat struct stat info; 6467c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int brtw, brtr; 6477c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *p; 6487c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6497c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (nargs != 3) 6507c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 6517c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6527c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (stat(args[1], &info) < 0) 6537c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 6547c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6557c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if ((fd1 = open(args[1], O_RDONLY)) < 0) 6567c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6577c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6584833d9f4986d6dafacff841beb3bf93172c84bdcTom Zhu if ((fd2 = open(args[2], O_WRONLY|O_CREAT|O_TRUNC, 0660)) < 0) 6597c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6607c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6617c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (!(buffer = malloc(info.st_size))) 6627c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6637c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6647c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 6657c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr = info.st_size; 6667c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtr) { 6677c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = read(fd1, p, brtr); 6687c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 6697c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6707c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 6717c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 6727c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 6737c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr -= rc; 6747c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 6757c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6767c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 6777c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw = info.st_size; 6787c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtw) { 6797c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = write(fd2, p, brtw); 6807c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 6817c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6827c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 6837c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 6847c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 6857c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw -= rc; 6867c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 6877c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6887c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = 0; 6897c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out; 6907c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout_err: 6917c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = -1; 6927c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout: 6937c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (buffer) 6947c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat free(buffer); 6957c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd1 >= 0) 6967c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd1); 6977c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd2 >= 0) 6987c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd2); 6997c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return rc; 7007c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat} 7017c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 7024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chown(int nargs, char **args) { 7034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* GID is optional. */ 7044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 3) { 70542a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (_chown(args[2], decode_uid(args[1]), -1) < 0) 7064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 7074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (nargs == 4) { 70842a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (_chown(args[3], decode_uid(args[1]), decode_uid(args[2])) < 0) 7094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 7104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 7114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 7124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 7144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic mode_t get_mode(const char *s) { 7174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0; 7184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project while (*s) { 7194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (*s >= '0' && *s <= '7') { 7204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = (mode<<3) | (*s-'0'); 7214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 7224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 7234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s++; 7254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return mode; 7274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chmod(int nargs, char **args) { 7304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = get_mode(args[1]); 73142a9349dc4e98019d27d7f8d19bc6c431695d7e1Geremy Condra if (_chmod(args[2], mode) < 0) { 7324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 7334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 7354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 737e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_restorecon(int nargs, char **args) { 738e46f9d510db9351682cf17c49115110870147335Stephen Smalley int i; 739e46f9d510db9351682cf17c49115110870147335Stephen Smalley 740e46f9d510db9351682cf17c49115110870147335Stephen Smalley for (i = 1; i < nargs; i++) { 741e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (restorecon(args[i]) < 0) 742e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 743e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 744e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 745e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 746e46f9d510db9351682cf17c49115110870147335Stephen Smalley 747e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setsebool(int nargs, char **args) { 748e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 749e46f9d510db9351682cf17c49115110870147335Stephen Smalley SELboolean *b = alloca(nargs * sizeof(SELboolean)); 750e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *v; 751e46f9d510db9351682cf17c49115110870147335Stephen Smalley int i; 752e46f9d510db9351682cf17c49115110870147335Stephen Smalley 753e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 754e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 755e46f9d510db9351682cf17c49115110870147335Stephen Smalley 756e46f9d510db9351682cf17c49115110870147335Stephen Smalley for (i = 1; i < nargs; i++) { 757e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *name = args[i]; 758e46f9d510db9351682cf17c49115110870147335Stephen Smalley v = strchr(name, '='); 759e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (!v) { 760e46f9d510db9351682cf17c49115110870147335Stephen Smalley ERROR("setsebool: argument %s had no =\n", name); 761e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -EINVAL; 762e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 763e46f9d510db9351682cf17c49115110870147335Stephen Smalley *v++ = 0; 764e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].name = name; 765e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (!strcmp(v, "1") || !strcasecmp(v, "true") || !strcasecmp(v, "on")) 766e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].value = 1; 767e46f9d510db9351682cf17c49115110870147335Stephen Smalley else if (!strcmp(v, "0") || !strcasecmp(v, "false") || !strcasecmp(v, "off")) 768e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].value = 0; 769e46f9d510db9351682cf17c49115110870147335Stephen Smalley else { 770e46f9d510db9351682cf17c49115110870147335Stephen Smalley ERROR("setsebool: invalid value %s\n", v); 771e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -EINVAL; 772e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 773e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 774e46f9d510db9351682cf17c49115110870147335Stephen Smalley 775e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (security_set_boolean_list(nargs - 1, b, 0) < 0) 776e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 777e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 778e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 779e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 780e46f9d510db9351682cf17c49115110870147335Stephen Smalley 7814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_loglevel(int nargs, char **args) { 7824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 2) { 7838f91282ebe1963b9d27f8779ad1342302b293bd2Dima Zavin klog_set_level(atoi(args[1])); 7844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 7854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 7874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 789c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrallint do_load_persist_props(int nargs, char **args) { 790c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall if (nargs == 1) { 791c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall load_persist_props(); 792c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall return 0; 793c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall } 794c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall return -1; 795c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall} 796c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall 797cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Crossint do_wait(int nargs, char **args) 798cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross{ 799cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (nargs == 2) { 800cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return wait_for_file(args[1], COMMAND_RETRY_TIMEOUT); 801cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross } 802cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return -1; 803cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross} 804